Umarex-Walther 12 g CO₂ cartridges deliver clean, high-purity CO₂ essential for maintaining the performance and longevity of your airguns. This 12-pack format ensures you always have reliable power on hand for extended shooting sessions.
Manufactured with tight tolerances, these CO₂ capsules minimize leaks and protect vulnerable valve and O-ring components. Clean gas helps avoid seals and valves clogging, ensuring consistent performance and reducing maintenance needs.
Key Features
Clean CO₂: High-purity gas helps prolong seal and valve life Precision Fit: Tight tolerances for reduced leakage and reliable function 12-Cartridge Pack: Convenient supply for prolonged use Wide Compatibility: Suitable for most CO₂-powered pellet, BB, and airsoft guns
All Technical Data
Gas Type: CO₂ (compressed, high purity) Weight per Capsule: 12 g Quantity: 12 cartridges per pack Recommended Use: Ensuring airgun health and long shooting sessions
Why Choose This Product?
The Umarex-Walther 12 g CO₂ cartridges deliver dependable, clean power with a tight fit for longer-lasting performance. Ideal for shooters who demand both reliability and value from their CO₂ arsenal.
Service très rapide merci
(Translated by Google)
Very fast service, thank you.
Jean-Pierre Gagnon
15 Oct 2025
J’ai commandé via le site Internet de Londero Sports une boîte de munitions (calibre 270) que je trouvais pas ailleurs… Livraison super rapide! Je recommande sans hésiter.
(Translated by Google)
I ordered a box of ammunition (270 caliber) through the Londero Sports website, which I couldn't find anywhere else... Super fast delivery! I recommend it without hesitation.
normand gravel
11 Oct 2025
J'avais besoin d'une pièce en mode express et ça très bien été. 2 jours et c'était réglé. Bon service.
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I needed a part express and it went very well. 2 days and it was sorted. Good service.
Antony Theroux-laroche
10 Oct 2025
Mustang Qc
01 Oct 2025
Super services et bons prix
(Translated by Google)
Great service and good prices
Yann Le Bihan
26 Sep 2025
Londero was recommended, filled a basket, asked for help in located an item, quick email response, order placed, order shipped that day, and the package ???? made its was from QC to the southern most part of Canada in 2 days.
Ivan Canjar
22 Sep 2025
Excellent service !
Rapide et efficace, good Job
(Translated by Google)
Excellent service!
Fast and efficient, good job
jean-francois lahaie
16 Sep 2025
I have recently made multiple purchases online with Londero Sports and they have been very, very quick on sending the parcels. Very happy with our purchases and service. Will be back for more.
Mona Tomlinson
15 Sep 2025
Provost Mario
15 Sep 2025
Jonathan Laplante
12 Sep 2025
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Pierre for the purchase of a crossbow, they know their stuff, great service, thanks again! I am 120% satisfied.
Eric Duc
05 Sep 2025
guerroumi smail
04 Sep 2025
Très content de ma commande! La vitesse de réception était très rapide et appréciée.
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Very happy with my order! The speed of receipt was very fast and appreciated.
Léona Gauthier
03 Sep 2025
I’ve never had the pleasure of visiting the store itself, but I have placed numerous online orders. Every order has been handled promptly and often shipped the very same day. Excelled customer service. 10/10 recommend for your outdoor needs.
English 
Service très rapide merci (Translated by Google) Very fast service, thank you.